In what year was the album “Sinal Fechado” released by Chico Buarque?

In what year was the album “Sinal Fechado” released by Chico Buarque?: The album “Sinal Fechado” was released in 1974 by Chico Buarque, featuring 12 tracks.
What is the most successful song from the album “Sinal Fechado” by Chico Buarque?: “Acorda Amor” is the biggest hit from the album “Sinal Fechado” by Chico Buarque.
What are the main songs from the album “Sinal Fechado” by Chico Buarque?: The main songs from the album “Sinal Fechado” by Chico Buarque are “Acorda Amor”, “Sinal Fechado”, “Sem Compromisso”, “Copo Vazio”, and “Filosofia”.

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